Yes, Gu Susu is the true biological daughter of the Ai family.,When Gu Susu took the university entrance exam, she was 18 years old. She had spent her entire life as an orphan in the countryside. It wasn't until that year that she discovered she wasn't actually an orphan at all.,The child, with their eyes closed, seemed asleep. But upon hearing the call, they instantly opened their eyes and shouted happily, "Mom! Mom!"。